Pitch
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b. 237
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composition: (Op. 4), Sonata in C minor, Mvt I
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The traces of erasure visible in A prove that some marks in the bottom part of the stave were being removed. Perhaps Chopin initially wrote the L.H. part in the 2nd half of the bar an octave lower (by mistake – cf. the Ballade in G minor, Op. 23, bars 159-160). category imprint: Corrections & alterations; Source & stylistic information issues: Corrections in A |
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b. 240
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composition: (Op. 4), Sonata in C minor, Mvt I
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The deletions visible in A at the beginning of the bar reveal that Chopin initially wrote d category imprint: Corrections & alterations; Source & stylistic information issues: Corrections in A , Cautionary accidentals , Deletions in A , Enharmonic corrections |
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b. 244
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composition: (Op. 4), Sonata in C minor, Mvt I
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In the main text we add cautionary naturals to the F1-F octave. category imprint: Editorial revisions |
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b. 245-246
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composition: (Op. 4), Sonata in C minor, Mvt I
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In A Chopin overlooked the flats restoring b category imprint: Interpretations within context; Differences between sources issues: Omissions to cancel alteration , GE revisions , Errors repeated in GE , Errors repeated in FE , Errors repeated in EE , Errors repeated in IE |
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b. 245
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composition: (Op. 4), Sonata in C minor, Mvt I
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As in many other places, in A Chopin wrote accidentals only to the top notes of the R.H. octaves. All the omitted accidentals were added by GE (→FE,EE,IE). category imprint: Interpretations within context; Differences between sources issues: Accidentals in different octaves , GE revisions , Inaccuracies in A |
1 as the bottom note of the 1st chord, accompanied by F
to the next d1 crotchet was most probably meant to cancel the alteration and not to perform the role of a cautionary accidental following d
in the preceding bar.